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MathsHardNumerical2024 · 29 Jan Shift 1

Q88.The area (in sq. units) of the part of circle x2 + y2 = 169 which is below the line 5x −y = 13 is πα 2β −652 + αβ sin−1( 1312 ) where α, β are coprime numbers. Then α + β is equal to

What This Question Tests

This problem requires calculating the area of a region bounded by a circle and a line, which involves splitting the area into a sector and a triangle, demanding strong geometric and trigonometric skills.

Concepts Tested

Equation of a circleEquation of a lineArea of a sector of a circleArea of a triangleGeometric calculation of area

Formulas Used

Area of a sector = (1/2)r^2θ

Area of a triangle = (1/2)bh

Equation of circle x^2 + y^2 = r^2

Distance from origin to a line

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